| details |
Early Cretaceous |
|
China(N.China) |
Miao,S. et al. Spores and pollen. Mesozoic spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |
| details |
Early Campanian |
|
New Mexico |
Jameossanaie,A. Palynology and age of South Hospah coal-bearing deposits, McKinley County, New Mexico. |
1987 |
| details |
Cenomanian |
Coniacian |
Wyoming |
Griggs,P.H. Stratigraphy and palynology of the Frontier Formation, Big Horn Basin, Wyoming |
1970 |
| details |
Campanian |
|
Canada(Alberta) |
Jarzen,D.M. Palynology of Dinosaur Provincial Park, (Campanian), Alberta. |
1982 |